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[Xen-users] PV Drivers dropping all packets with 802.1q headers

To: <xen-users@xxxxxxxxxxxxxxxxxxx>
From: "Michael A. Collins" <mike.a.collins@xxxxxxxxxxx>
Date: Sun, 11 Dec 2011 10:33:55 -0500
Delivery-date: Sun, 11 Dec 2011 15:37:48 +0000
List-id: Xen user discussion <xen-users.lists.xensource.com>
Thread-index: Acy4GWx7coPqkhR5QHmKmR0rrFTY6A==

I have serveral domUs running on xen-unstable and I've found that if I run Qemu emulated nics, aka HVM, the domU's process packets whether they have a 802.1q header or not. With PV drivers that is not the case. The PV drivers on Linux or Windows, just drop all packets that contain 802.1q headers. On the Linux side I was able to get it working by creating a vlan subinterface inside the domU. I do not see how to do that with the Windows PV drivers. Is this known behavior? I have not seen anything posted here that is related.

Mike

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